FR680773A - Régulateur de lumière pour théâtres - Google Patents

Régulateur de lumière pour théâtres

Info

Publication number
FR680773A
FR680773A FR680773DA FR680773A FR 680773 A FR680773 A FR 680773A FR 680773D A FR680773D A FR 680773DA FR 680773 A FR680773 A FR 680773A
Authority
FR
France
Prior art keywords
theaters
light regulator
regulator
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Ferdinando Bordoni
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR680773A publication Critical patent/FR680773A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/06—Variable transformers or inductances not covered by group H01F21/00 with current collector gliding or rolling on or along winding
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Control Devices (AREA)
FR680773D 1928-08-25 1929-08-24 Régulateur de lumière pour théâtres Expired FR680773A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT680773X 1928-08-25

Publications (1)

Publication Number Publication Date
FR680773A true FR680773A (fr) 1930-05-06

Family

ID=11307668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680773D Expired FR680773A (fr) 1928-08-25 1929-08-24 Régulateur de lumière pour théâtres

Country Status (2)

Country Link
DE (1) DE609459C (fr)
FR (1) FR680773A (fr)

Also Published As

Publication number Publication date
DE609459C (de) 1935-02-15

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